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11/4/2009 3:50:55 PM EDT
I am looking at either the 512 or 557 to mount on my DPMS flat top, but I wanna stick with the regular carbine handguards.  Will I be able to fit the 512 with a rear flip up, or is there no way?  I'm dead set on keeping the factory handgaurds, so my only other option would be the 557 at $100 more than the 512.
11/4/2009 4:13:17 PM EDT
[#1]
Might cut it close, not sure if the RBUS will line up with the Eotech though.  Maybe put a 3" rail on the hand guard.
11/5/2009 4:19:29 AM EDT
[#2]
I thought the newer 512s have a recess on the bottom near the front to clear handguards.

contact one of the vendors in the Industry forums, like SWFA. They should be able to tell you.
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